Category · FY2027

B99 Other and unspecified infectious diseases

B99 is not billable. The category heads 2 billable codes in FY2027: the 2 codes directly below it.

Index → code

Where it sits

Chapter 1 instructions (Includes 1, Excludes2 5, Use additional code 1): printed on the chapter 1 page.

Infection, infected, infective (opportunistic) → B99.9
Arthropathypostinfectious NEC → B99 [M12.80]
Pneumonia (acute) (double) (migratory) (purulent) (septic) (unresolved)postinfectional NEC → B99 [J17]
Infection, infected, infective (opportunistic)specified NEC → B99.8
Disease, diseasedepidemic → B99.9
Disease, diseasedinfectious, infective → B99.9
Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor)infective → B99.9
Granulomainfectious → B99.9
Conjunctivitis (staphylococcal) (streptococcal) NOSin (due to)infectious disease NEC → B99
Encephalitis (chronic) (hemorrhagic) (idiopathic) (nonepidemic) (spurious) (subacute)in (due to)infectious disease NEC → B99 [G05.3]
Iridocyclitisin (due to)infectious disease NOS → B99
Mastoiditis (coalescent) (hemorrhagic) (suppurative)in (due to)infectious disease NEC → B99 [H75.0-]
Myopathyin (due to)infectious disease NEC → B99 [G73.7]
Disease, diseasedepidemicspecified NEC → B99.8
Disease, diseasedinfectious, infectivespecified NEC → B99.8
Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor)infectivespecified NEC → B99.8
Granulomainfectiousspecified NEC → B99.8
Neuritis (rheumatoid)acoustic (nerve)in (due to)infectious disease NEC → B99 [H94.0-]
Otitis (acute)externain (due to)infectious disease NEC → B99 [H62.4-]
Polyneuropathy (peripheral)in (due to)infectiousdisease NEC → B99 [G63]
Palsycranial nervemultipleininfectious disease → B99 [G53]